1998 MY9
1998MY9, 1999 UR42, 1999UR42, 40080, J98M09Y, J99U42R
All data for this body: [vot]
MPC data
Name (number) |
1998 MY9 (40080) |
a |
2.79263 |
e |
0.14769 |
i / sin(i) |
16.7251 /
0.28778
|
q |
2.38019
|
Q |
3.20508
|
ω |
149.6312 |
Node |
228.2952 |
m |
49.1093 |
n |
0.2112 |
Epoch |
2460200.5 |
nobs |
3052 |
nopp |
21 |
Years observed |
1998-2023 |
rms |
0.55 |
Best values
|
Value |
Standard error |
Parent |
Watsonia (729) |
|
|
|
|
ap |
2.794 |
|
ep |
0.122 |
|
sin(ip) |
0.297 |
|
|
Value |
Standard error |
G |
0.150 |
|
H |
13.990 |
|
Mass |
|
|
D |
7.51 |
0.183 |
pV |
0.114 |
0.0193 |
Rotational Period |
14.243 |
Family data
Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
729 |
Watsonia |
537 |
Watsonia |
|
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
ap |
ep |
sin(ip) |
Author |
Reference |
Method |
2.7939 |
0.1222 |
0.2966 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
7.51 |
0.183 |
0.183 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
0.114 |
0.0193 |
0.0193 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
13.99 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |